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      <ThirtyThrPctSuprtTestsCY509Ind>X</ThirtyThrPctSuprtTestsCY509Ind>
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      <ForeignPartnershipInd>false</ForeignPartnershipInd>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part I, Line 2 - Grantmakers Explanation For Monitoring Use of Funds Outside US</FormAndLineReferenceDesc>
        <ExplanationTxt>GRANTS ARE MONITORED BY VIEWING RECEIPTS FOR TRAVEL FOR REIMBURSEMENTS, AWARDS ARE DISBURSED FOR THE AMOUNT OF AWARDS GRANTED TO INDIVIDUALS AND VERIFIED FOR TOTAL AMOUNT.</ExplanationTxt>
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        <FormAndLineReferenceDesc>Form 990, Part III, Line 4d</FormAndLineReferenceDesc>
        <ExplanationTxt>OTHER PROGRAM SERVICES 4: THE GEORGE G. HOLZ, JR. &amp; ROBERT L. CONNER TRAVEL FUND IS AN AWARD USED FOR TRAVEL, ESPECIALLY FOR STUDENTS AND YOUNG INVESTIGATORS, TO PROMOTE PARTICIPATION IN THE ANNUAL MEETINGS OF THE INTERNATIONAL SOCIETY OF PROTISTOLOGIST. OTHER PROGRAM SERVICES 5: JAHN-BOVEE AWARD</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, Line 6</FormAndLineReferenceDesc>
        <ExplanationTxt>THE SOCIETY HAS REGULAR MEMBERS, STUDENT MEMBERS, HONORARY MEMBERS AND CORRESPONDING MEMBERSHIP FOR PERSONS RESIDING OUTSIDE NORTH AMERICA.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, Line 7a</FormAndLineReferenceDesc>
        <ExplanationTxt>OFFICERS AND MEMBERS OF THE NOMINATING COMMITTEE ARE ELECTED BY A PLURALITY VOTE BY SOCIETY MEMBERS.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, Line 7b</FormAndLineReferenceDesc>
        <ExplanationTxt>SOCIETY MEMBERS APPROVE AMENDMENTS TO THE BYLAWS. SOCIETY MEMBERS PRESENT AT THE ANNUAL MEETING ALSO APPROVE ANY CHANGES TO DUES.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, Line 11b</FormAndLineReferenceDesc>
        <ExplanationTxt>A COPY OF THE 990 IS PROVIDED TO EXECUTIVE COMMITTEE PRIOR TO FILING.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section C, Line 19</FormAndLineReferenceDesc>
        <ExplanationTxt>UPON REQUEST</ExplanationTxt>
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</Return>
